Flight has been an important innovation for animals and has led to adaptive radiations in both birds and insects. For birds, what additional fitness benefits have been gained through adaptations for flight? A. Reductions in reproductive organs has led to the production of eggs with a larger allantois, increasing nutrients for their offspring. B. Birds rely on metabolic heat to stay warm and feathers help birds regulate their body temperature. C. The lack of teeth means that birds have become dietary specialists, optimized for eating exclusively grains (land-dwellers) or fish (shore-dweller). D. The relative metabolic rate (per kg) is lower in lighter vertebrates, which means that birds need loss food than other reptiles of a similar size.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.